RewriteEngine on
RewriteCond %{HTTP_HOST} ^shop\.balboasur\.com$ [OR]
RewriteCond %{HTTP_HOST} ^www\.shop\.balboasur\.com$
RewriteCond %{REQUEST_URI} !^/[0-9]+\..+\.cpaneldcv$
RewriteCond %{REQUEST_URI} !^/[A-F0-9]{32}\.txt(?:\ Comodo\ DCV)?$
RewriteRule ^/?$ "https\:\/\/shop\.balboasur\.com\/presta\/index\.php" [R=301,L]